topic Re: R call through SAS/IML doesn't work in SAS Enterprise Guide in SAS Enterprise Guide

R call through SAS/IML doesn't work in SAS Enterprise Guide

Alain — Thu, 26 Apr 2012 10:37:30 GMT

I have SAS Enterprise Guide 4.3 installed on my computer. It is connected to a SAS 9.3 on a server. This work great but if I get an error when I run a SAS program calling R. The server administrator modified the sasv9.cfg file in order to include the -RLANG option. I executed my code in batch on the server and here is the log:

1	PROC OPTIONS OPTION=RLANG;
2	RUN;
	SAS (r) Proprietary Software Version 9.3 TS1M0
RLANG	Support access to R language interfaces

NOTE: PROCEDURE OPTIONS used (Total process time):

	real time	0.00 secondes
	cpu time	0.00 secondes

3
4	PROC IML;

NOTE: IML Ready

5	SUBMIT / R;
6	a <- 2
7	paste("a:",a)
8	b <- 3
9	paste("b:",b)
10	c <- a * b
11	paste("c:",c)
12	ENDSUBMIT;
13	QUIT;

NOTE: Exiting IML.

NOTE: The PROCEDURE IML printed page 1.

NOTE: PROCEDURE IML used (Total process time):

	real time	0.24 secondes
	cpu time	0.03 secondes

If you executre the same code within SAS Enterprise Guide on the same server, the log is:

15	PROC OPTIONS OPTION=RLANG;
16	RUN;

SAS (r) Proprietary Software Version 9.3 TS1M0

RLANG

Support access to R language interfaces

NOTE: PROCEDURE OPTIONS used (Total process time):

	real time	0.00 secondes
	cpu time	0.00 secondes

17
18	PROC IML;

NOTE: IML Ready

19	SUBMIT / R;
20	a <- 2
21	paste("a:",a)
22	b <- 3
23	paste("b:",b)
24	c <- a * b
25	paste("c:",c)
26	ENDSUBMIT;

ERROR: SAS could not initialize the R language interface.

statement : SUBMIT at line 19 column 7

QUIT;

NOTE: Exiting IML.

I don't understand why it doesn't give the same results. I already had the same error in batch when R_HOME was not defined.

Re: R call through SAS/IML doesn't work in SAS Enterprise Guide

Doc_Duke — Thu, 26 Apr 2012 15:31:55 GMT

My guess is that the R subsystem is run using the equivalent of an 'x' command. By default, "X" commands are not supported via EGuide. If so, that's why it is being blocked. The system administrator can allow execution of "X" commands under EGuide.

You may want to call tech support for confirmation.

Doc Muhlbaier

Duke

Re: R call through SAS/IML doesn't work in SAS Enterprise Guide

Rick_SAS — Mon, 30 Apr 2012 15:18:02 GMT

No, we do not use the 'X' command to call R.

I can run your program in EG 4.3 without error, so the problem is particular to your configuration. Please contact Technical Support so they can help you resolve this problem.

Re: R call through SAS/IML doesn't work in SAS Enterprise Guide

TimB_SAS — Mon, 30 Apr 2012 19:31:53 GMT

They key is likely in your statement, "I already had the same error in batch when R_HOME was not defined"

From EG, submit : %put %sysget(R_HOME) ; is the correct path returned? If not, you'll need to modify one of the SAS start-up scripts to define it. A good place would be <SASHOME>/SASFoundation/9.x/bin/sasenv_local, as this file will be sourced by all SAS sessions launched on the system.

Re: R call through SAS/IML doesn't work in SAS Enterprise Guide

Alain — Thu, 03 May 2012 13:50:42 GMT

You were right. The system variable R_HOME was no more defined. I modified the sasenv_local as suggested and now it works.

Thank you.